Patents by Inventor James L. Humphries

James L. Humphries has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patio swing or similar article
    Patent number: D247833
    Type: Grant
    Filed: September 20, 1976
    Date of Patent: May 9, 1978
    Assignee: Production Experts, Inc.
    Inventors: Robert B. Kearns, James L. Humphries